CN216604274U - A filter-pressing thick liquids dewatering device for rubbish from cooking - Google Patents
A filter-pressing thick liquids dewatering device for rubbish from cooking Download PDFInfo
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- CN216604274U CN216604274U CN202123098748.4U CN202123098748U CN216604274U CN 216604274 U CN216604274 U CN 216604274U CN 202123098748 U CN202123098748 U CN 202123098748U CN 216604274 U CN216604274 U CN 216604274U
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Abstract
The utility model discloses a filter-pressing slurry dewatering device for kitchen garbage. The device has simple structure, avoids the grinding generated by the friction between the structure of the driving screw dehydrator and dust and sand in the slurry, and meets the technical requirement of performing subsequent treatment on kitchen garbage.
Description
Technical Field
The utility model relates to the field of solid-liquid separation of organic matters, in particular to a filter-pressing slurry dewatering device for kitchen garbage.
Background
With the improvement of living standard, the requirement of people on environmental protection is higher and higher. The important component of the household garbage of people is kitchen garbage, and how to achieve harmless treatment and generate the effect of high added value becomes the key point of the current research. Wherein, the kitchen garbage after being crushed and pulped can be applied to anaerobic fermentation to generate methane or be used as breeding feed of microorganisms, hermetia illucens and the like. However, the water content of the kitchen waste slurry after pulping is too high and reaches more than 90%, so that the kitchen waste slurry is not suitable for the subsequent process, and dehydration treatment is required to reduce the water content.
Traditional screw-pressing dewaterer utilizes changeable screw to extrude thick liquids, and thick liquids are through the extrusion, and the volume is littleer and less and ooze moisture, and the gap of infiltration process cylinder mould all around flows. However, the slurry contains hard solids such as settled sand and the like, which can repeatedly generate dynamic friction with blades in the extrusion process, and the blades of the main shaft are seriously ground and need to be repaired periodically; meanwhile, in the extrusion process, the main shaft and the net cage generate cyclic load along with the change of the rotation angle of the main shaft, fatigue damage is formed on the main shaft and the net cage, and the main shaft and the net cage need to be replaced regularly. Therefore, the conventional screw press dehydrator seriously needs frequent maintenance and causes too high cost for the operation of the whole equipment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a filter-pressing slurry dehydrating device for kitchen garbage, which comprises: the net cage comprises a frame body and a net cage arranged in the frame body;
the frame body is provided with a feed inlet, a water outlet and a slag outlet, and the feed inlet and the slag outlet are communicated to the inside of the mesh cage;
the two ends of the net cage are respectively provided with an extrusion mechanism which extrudes relatively, and the extrusion mechanism comprises a push plate and a pushing mechanism connected with the push plate.
As a further improvement of the utility model, the netpen comprises: the connecting flange, the stiffening beam, the reinforcing ribs and the filter screen are connected;
the connecting flanges are arranged at two ends of the net cage, and the net cage is fixed on the frame body through the connecting flanges;
a plurality of stiffening beams are arranged between the two connecting flanges, and the stiffening beams are parallel to each other;
the stiffening beam is provided with a plurality of reinforcing ribs;
a filter screen is arranged in a framework formed by the reinforcing beam and the reinforcing ribs.
As a further improvement of the present invention, the dewatering device further comprises: cleaning a pipeline; the cleaning pipeline is arranged on the frame body and is positioned at the upper part of the net cage.
As a further improvement of the present invention, the pushing mechanism is selected from: oil cylinder or lead screw nut mechanism.
As a further improvement of the utility model, the water outlet is funnel-shaped.
As a further improvement of the utility model, the structure of the dewatering device is selected from: horizontal or vertical.
The present invention also provides another press filtration slurry dewatering device for kitchen waste based on the same concept, the dewatering device comprising: the net cage comprises a frame body and a net cage arranged in the frame body;
the frame body is provided with a feed inlet, a water outlet and a slag outlet door, and the feed inlet and the slag outlet door are communicated to the inside of the mesh cage;
the slag discharging door is arranged at one end of the mesh cage, the other end of the mesh cage is provided with an extruding mechanism, and the extruding mechanism comprises a push plate and a pushing mechanism connected with the push plate.
As a further improvement of the utility model, the netpen comprises: the connecting flange, the stiffening beam, the reinforcing ribs and the filter screen are connected;
wherein, a connecting flange is arranged on the net cage, and the net cage is fixed on the frame body through the connecting flange;
the reinforcement beam is arranged on the cylinder mould, and the reinforcement beam is provided with a reinforcement rib to reinforce the strength of the whole cylinder mould;
the net cage uses the stiffening beam and the reinforcing rib as a framework to arrange a filter screen.
As a further improvement of the present invention, the dewatering device further comprises: cleaning a pipeline; the cleaning pipeline is arranged on the frame body and is positioned at the upper part of the net cage.
As a further improvement of the present invention, the pushing mechanism is selected from: oil cylinder or lead screw nut mechanism.
As a further improvement of the utility model, the water outlet is funnel-shaped.
As a further improvement of the utility model, the structure of the dewatering device is selected from: horizontal or vertical.
Compared with the prior art, the utility model has the beneficial effects that:
compared with the traditional screw dehydrator, the dehydrating device provided by the utility model has the advantages that the settled sand in the slurry is in a relatively static state, the slurry does not have excessive dynamic friction with the inner cavity of the whole device in the whole extrusion process, the settled sand in the slurry cannot cause serious grinding to the inner cavity of the whole device, and the dehydrating device can obviously reduce the dynamic friction between the device and the solid matters of the slurry.
Drawings
FIG. 1 is a schematic view showing the structure of a dewatering apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a netpen in an embodiment of the utility model.
In the figure:
1: a frame body; 2: a first cylinder; 3: a first push plate; 4: a feed inlet; 5: a second cylinder; 6: cleaning a pipeline; 7: a cylinder mould; 8: a second push plate; 9: a slag outlet; 10: a water outlet; 11: a connecting flange; 12: a reinforcing beam; 13: reinforcing ribs; 14: and (5) filtering by using a filter screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "on" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
The utility model is described in further detail below with reference to the attached drawing figures:
the first embodiment,
As shown in FIG. 1, the present invention provides a press filtration slurry dewatering device for kitchen waste, comprising: the device comprises a frame body 1, a first extrusion mechanism, a feed inlet 4, a second extrusion mechanism, a cleaning pipeline 6, a mesh cage 7, a slag outlet 9 and a water outlet 10; wherein the content of the first and second substances,
the frame body 1 comprises a supporting part and a closed shell arranged on the supporting part, wherein the net cage 7 is arranged in the shell, and preferably, the net cage 7 is horizontally suspended in the shell; a feed inlet 4, a slag hole 9 and a water outlet 10 are arranged on the shell of the frame body 1, the feed inlet 4 and the slag hole 9 are communicated into the mesh cage 7, so that kitchen garbage can conveniently enter the mesh cage 7 through the feed inlet 4, and the dehydrated kitchen garbage can be discharged through the slag hole 9; the water outlet 10 is arranged below the net cage 7, so that kitchen waste leachate passing through the net cage 7 can be collected conveniently during extrusion dehydration. Specifically, the mesh cage 7 of the present invention is used for realizing extrusion filtration of kitchen waste, and in order to ensure the above performance, as shown in fig. 2, the mesh cage 7 of the present invention comprises two connecting flanges 11, reinforcing beams 12, reinforcing ribs 13 and a filter screen 14, wherein the two connecting flanges 11 are preferably arranged in parallel relatively and located at the same horizontal height, and are used for installing the mesh cage 7 on the left and right opposite side walls of the housing, a plurality of reinforcing beams 12 are connected between the two connecting flanges 11, a plurality of reinforcing ribs 13 are connected between the plurality of reinforcing beams 12, the reinforcing beams 12 and the reinforcing ribs 13 together form a cage-shaped support for supporting the filter screen 14, and the filter screen 14 is arranged closely attached to the inner wall of the cage-shaped support; further, the plurality of reinforcement beams 12 are annular and arranged in parallel, and more preferably, the intervals between the plurality of reinforcement beams 12 are consistent; furthermore, each reinforcing rib 13 is connected with all the reinforcing beams 12, and all the reinforcing ribs 13 are preferably arranged in parallel and have consistent intervals, so that the cage-shaped support is uniform in stress and high in strength. Further, the screen 14 is designed to have a desired gap size according to the particle size of the slurry solids, so that the solids do not leak out of the gap while water is allowed to leak out.
A first extrusion mechanism and a second extrusion mechanism which extrude oppositely are arranged at two ends of a net cage 7, the first extrusion mechanism comprises a first oil cylinder 2 and a first push plate 3, the second extrusion mechanism comprises a second oil cylinder 5 and a second push plate 8, and further, the first oil cylinder 2 and the second oil cylinder 5 can be replaced by a screw-nut mechanism or other horizontal pushing mechanisms which can achieve the same effect. The two connecting flanges 11 are distributed at the middle parts of the two connecting flanges and are provided with a hole, the push rod of the first oil cylinder 2 is connected with the first push plate 3 through one hole, the push rod of the second oil cylinder 5 is connected with the second push plate 8 through the other hole, and the first push plate 3 and the second push plate 8 are both arranged inside the cylinder mould 7; the sizes of the first push plate 3 and the second push plate 8 are matched with the shape of the net cage 7; first push pedal 3 and second push pedal 8 are all according to with the radial cross-section parallel arrangement of cylinder mould 7, set up the bellying at the contact surface of first push pedal 3 with rubbish from cooking, set up the depressed part at the contact surface of second push pedal 8 with rubbish from cooking, the bellying of first push pedal 3 is coincide with the depressed part of second push pedal 8, can make the extrusion more abundant like this.
The cleaning pipeline 6 is arranged in the shell, the cleaning pipeline 6 is also connected with a driving pump outside the shell, and a water outlet of the cleaning pipeline 6 is in a spray shape and is opposite to the upper part of the net cage 7; the cleaning pipeline 6 is provided with a plurality of spraying assemblies which are arranged at equal intervals along the axial direction of the net cage 7, each spraying assembly comprises a plurality of water outlets which are arranged around the axis of the net cage 7, and the cleaning of the net cage 7 in the axial direction and the radial direction can be realized; after the dehydration device finishes a plurality of times of dehydration, the cleaning pipeline 6 is opened to spray high-pressure water columns or disinfectant water to the net cage 7, so that the net cage 7 is washed or disinfected; after the cleaning, the cleaning pipeline 6 is closed, and the next dehydration is carried out.
The dehydration principle of the dehydration device is as follows:
when the dewatering device is opened, the second oil cylinder 5 is manually controlled to push the second push plate 8 to seal the slag hole 9, the slurry starts to enter the mesh cage 7 at the feed port 4 and stops feeding when reaching the liquid level setting, and the first oil cylinder 2 is manually controlled to push the first push plate 3 to advance to extrude and dewater the slurry. After the pressure of the first oil cylinder 2 reaches a set pressure value, the dehydration is considered to be completed, slurry is collected at a water outlet 10 and then discharged to a designated position, the second oil cylinder 5 is manually controlled to start driving the second push plate 8 to retreat until the slag hole 9 is completely exposed, the first oil cylinder 2 is manually controlled to push the first push plate 3 to start to continue advancing, all slurry solids in the net cage 7 are pushed to the slag hole 9 to be completely discharged, then the first oil cylinder 2 is manually controlled to drive the first push plate 3 to retreat until the feed hole 4 is completely left, and then the second oil cylinder 5 is manually controlled to push the second push plate 8 to advance, so that the slag hole 9 is sealed, feeding is started again, and the circulation is performed in sequence. After the dehydration device finishes a plurality of times of dehydration, the cleaning pipeline 6 is manually opened to wash or disinfect the net cage 7.
Second embodiment, a filter-pressing slurry dewatering device for kitchen garbage
According to the dehydration device of the first embodiment, a pressure sensor is arranged at the oil cylinder, and the pressure sensor is used for detecting the pressure value of the oil cylinder; a position sensor for detecting the volume of kitchen waste in the net cage 7 is arranged in the net cage 7; the oil cylinder, the feed port 4 and the cleaning pipeline 6 are respectively provided with an electromagnetic valve, the frame body 1 is provided with a control device, a controller is arranged in the control device, the input end of the controller is connected with a pressure sensor and a position sensor, the output end of the controller is respectively connected with the oil cylinder, the feed port 4 and the cleaning pipeline 6 through the electromagnetic valve, and a preset pressure threshold value, a preset volume value and a preset control program are stored in the controller.
The dehydration principle of the dehydration device is as follows:
based on the dehydration principle of the first embodiment, manual control is replaced by automatic control. The controller receives the capacity information sent by the position sensor and compares the capacity information with a preset capacity value; when the volume information exceeds a preset volume value, the controller controls the opening and closing of the feed port 4 through the electromagnetic valve at the feed port 4; the controller receives a pressure value sent by the pressure sensor and compares the pressure value with a preset pressure threshold value according to a control program, so that the functions of pushing and withdrawing the oil cylinder according to the setting of the control program are realized; when the dehydration device finishes the dehydration times preset by the control program, the controller controls the cleaning pipeline 6 to be opened through the electromagnetic valve at the cleaning pipeline 6, and after the cleaning time preset by the control program is reached, the controller controls the cleaning pipeline 6 to be closed through the electromagnetic valve at the cleaning pipeline 6.
Embodiment three, a filter-pressing thick liquids dewatering device for kitchen garbage
Based on the dehydration device of the second embodiment, the pressure sensor arranged at the oil cylinder is replaced by the position sensor arranged at the push plate, and the corresponding pressure value is replaced by the displacement value. Other structures and functions remain unchanged.
The dehydration principle of the dehydration device is as follows:
based on the dehydration principle of the second embodiment, the controller receives the pressure value sent by the pressure sensor, and compares the pressure value with a preset pressure threshold value according to a control program, so that the functions of pushing and withdrawing the oil cylinder according to the setting of the control program are realized; and instead, the controller receives the displacement value sent by the position sensor and compares the displacement value with a preset displacement threshold value according to a control program, so that the push plate is pushed forward and retracted according to the setting of the control program.
Fourth embodiment, a filter-pressing slurry dewatering device for kitchen garbage
Based on the dehydration device of the first embodiment, the second oil cylinder 5, the second push plate 8 and the slag hole 9 are replaced by a slag door, and the slag door is arranged at the opposite position of the first push plate 3; other structures of the dewatering device of the embodiment are not changed.
The dehydration principle of the dehydration device is as follows:
when the dewatering device is opened, slurry starts to enter the cylinder mould at the feed inlet and stops feeding when the liquid level is set, and the first oil cylinder is manually controlled to push the first push plate to advance so as to extrude and dewater the slurry. After pressure reached the set pressure value, regard as the dehydration completion, the thick liquid is collected at the delivery port after, arranges to the assigned position, opens the slag tap door, and the first hydro-cylinder of manual control promotes first push pedal and begins to continue to advance, pushes away the thick liquids solid in the cylinder mould totally to the slag tap door and gets rid of completely, then the first hydro-cylinder of manual control drives first push pedal and retreats, until letting out the feed inlet completely can, close the slag tap door afterwards, the feeding begins again, circulates in proper order. After the dehydration device finishes a plurality of times of dehydration, the cleaning pipeline is manually opened to wash or disinfect the cylinder mould.
Fifth embodiment, a filter-pressing slurry dewatering device for kitchen garbage
Based on the dehydration device of the fourth embodiment, a pressure sensor is arranged at the oil cylinder, and the pressure sensor is used for detecting the pressure value of the oil cylinder; a position sensor is arranged in the net cage; set up the solenoid valve respectively on hydro-cylinder, feed inlet, slagging tap and purge line, set up controlling means on the support body, set up the controller in the controlling means, the input and pressure sensor and the position sensor of controller link to each other, the output of controller passes through the solenoid valve and links to each other with hydro-cylinder, feed inlet, slagging tap and purge line respectively, and the controller is stored with preset pressure threshold, capacity value and control program. The dehydration principle of the dehydration device is as follows:
based on the dehydration principle of the fourth embodiment, the manual control is replaced by the automatic control. The controller receives the capacity information sent by the position sensor and compares the capacity information with a preset capacity value; when the volume information exceeds a preset volume value, the controller controls the opening and closing of the feeding hole through the electromagnetic valve at the feeding hole; the controller receives a pressure value sent by the pressure sensor and compares the pressure value with a preset pressure threshold value according to a control program, so that the functions of pushing and withdrawing the oil cylinder according to the setting of the control program are realized; the controller controls the opening and closing of the slag discharging door through an electromagnetic valve and a control program at the slag discharging door; when the dehydration device finishes the dehydration times preset by the control program, the controller controls the cleaning pipeline to be opened through the electromagnetic valve at the cleaning pipeline, and after the cleaning time preset by the control program is reached, the controller controls the cleaning pipeline to be closed through the electromagnetic valve at the cleaning pipeline.
And (4) conclusion:
the dewatering device provided by the utility model can obviously reduce the dynamic friction between the device and the solid matters of the slurry.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a filter-pressing thick liquids dewatering device for rubbish from cooking which characterized in that includes: the net cage comprises a frame body and a net cage arranged in the frame body;
the frame body is provided with a feed inlet, a water outlet and a slag outlet, and the feed inlet and the slag outlet are communicated to the inside of the mesh cage;
the two ends of the net cage are respectively provided with an extrusion mechanism which extrudes relatively, and the extrusion mechanism comprises a push plate and a pushing mechanism connected with the push plate.
2. The dewatering apparatus of claim 1,
the netpen comprises: the two connecting flanges, the stiffening beam, the reinforcing ribs and the filter screen;
the connecting flanges are arranged at two ends of the net cage, and the net cage is fixed on the frame body through the connecting flanges;
a plurality of parallel reinforcing beams are arranged between the two connecting flanges, and a plurality of reinforcing ribs are arranged on the reinforcing beams;
and the filter screen is arranged in a framework consisting of the reinforcing beam and the reinforcing ribs.
3. The dewatering apparatus of claim 1,
further comprising: cleaning a pipeline;
the cleaning pipeline is arranged on the frame body and is positioned at the upper part of the net cage.
4. The dewatering apparatus of claim 1,
the pushing mechanism is selected from: oil cylinder or lead screw nut mechanism.
5. A dewatering apparatus according to claim 1, wherein the water outlet is funnel shaped.
6. The dehydration apparatus of claim 1, wherein said dehydration apparatus has a structure selected from the group consisting of: horizontal or vertical.
7. A filter-pressing slurry dewatering device for kitchen waste, comprising: the net cage comprises a frame body and a net cage arranged in the frame body;
the frame body is provided with a feed inlet, a water outlet and a slag outlet door, and the feed inlet and the slag outlet door are communicated to the inside of the mesh cage;
the slag discharging door is arranged at one end of the mesh cage, the other end of the mesh cage is provided with an extruding mechanism, and the extruding mechanism comprises a push plate and a connection pushing mechanism of the push plate.
8. The dewatering apparatus of claim 7,
the netpen comprises: the two connecting flanges, the stiffening beam, the reinforcing ribs and the filter screen;
the connecting flanges are arranged at two ends of the net cage, and the net cage is fixed on the frame body through the connecting flanges;
a plurality of parallel reinforcing beams are arranged between the two connecting flanges, and a plurality of reinforcing ribs are arranged on the reinforcing beams;
and the filter screen is arranged in a framework formed by the reinforcing beam and the reinforcing ribs.
9. The dewatering apparatus of claim 7,
further comprising: cleaning a pipeline;
the cleaning pipeline is arranged on the frame body and is positioned at the upper part of the net cage.
10. The dewatering apparatus of claim 7,
the pushing mechanism is selected from: oil cylinder or lead screw nut mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123098748.4U CN216604274U (en) | 2021-12-10 | 2021-12-10 | A filter-pressing thick liquids dewatering device for rubbish from cooking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123098748.4U CN216604274U (en) | 2021-12-10 | 2021-12-10 | A filter-pressing thick liquids dewatering device for rubbish from cooking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216604274U true CN216604274U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123098748.4U Active CN216604274U (en) | 2021-12-10 | 2021-12-10 | A filter-pressing thick liquids dewatering device for rubbish from cooking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216604274U (en) |
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2021
- 2021-12-10 CN CN202123098748.4U patent/CN216604274U/en active Active
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